But after he failed a field sobriety test, officers arrested the Pro Bowl player on a DWI charge and his behavior changed drastically, documents show.

“At the jail Ratliff’s demeanor changed considerably,” Officer Eric Barch wrote in a search warrant affidavit. “While on scene Ratliff was cooperative and courteous, but upon arrival to the jail Ratliff’s mood shifted from cooperative to verbally abusive several times.”

Barch took Ratliff to the Intoxilyzer Room to test his breath but Ratliff refused to cooperate. He also refused to answer the officer’s questions. At that point, police obtained a search warrant to take Ratliff’s blood. Those results won’t be available for at least 10 days, police said.

Ratliff, 31, was released Tuesday afternoon after posting $500 bond. The Cowboys declined to comment about the incident. Ratliff’s agent, Mark Slough, has not returned multiple phone calls seeking comment.

According to the documents, when police arrived at the scene of the accident in the 2800 block of East State Highway 114 about 12:30 a.m., the athlete didn’t appear drunk, although Barch noted that may have been “because I was upwind from him.” Neither Ratliff nor the driver of the 18-wheeler, J.R. Wilson, was injured in the crash, but Ratliff’s pickup had major damage to the driver’s side.

“Ratliff was not slurring his words and seemed to be moving around quite well given the wreck,” Barch wrote.

“Ratliff appeared to be in excellent physical condition. In my experience people who are in good physical condition can mask intoxication very well with regard to speech and balance.”

So Barch continued talking to Ratliff.

“In speaking with Ratliff a second time I could smell the moderate odor of an alcoholic beverage emanating from his breath,” he wrote. The officer said he also noticed that his eyes were “bloodshot and watered.” He asked Ratliff where he’d been and the Cowboy answered that “he was coming from Arlington where he was ‘chillin’ with a homegirl.”

Ratliff said he was heading to his Southlake home but Barch wrote that he did not understand how Ratliff wound up on the Irving-Grapevine border. Ratliff told him that he was just following GPS directions.

At that point Barch decided to give him the three-part Standardized Field Sobriety Test. Ratliff failed all three parts and was placed under arrest. He disputed the results of the test.

“After arrest Ratliff began complaining of prior injuries that could have affected his ability to perform the Walk and Turn and One Leg Stand portions” of the test, Barch wrote. “I neglected to ask Ratliff prior to the test about any pre-existing conditions, but he also neglected to inform me of such.”

Barch said that in his experience, most people in Ratliff’s position tell police about any pre-existing injuries. “Ratliff did not appear to have any difficulty in moving around the crash scene, and I did not suspect any injuries as he told me he was uninjured initially.”

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